President Obama told reporters that U.S. law enforcement concluded years ago, after Boston bombing suspect Tamerlan Tsarnaev was identified as having potential terrorist ties: There were no signs he ... more 
President Obama told reporters that U.S. law enforcement concluded years ago, after Boston bombing suspect Tamerlan Tsarnaev was identified as having potential terrorist ties: There were no signs he was "engaging in extremist activity." less 
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Tue, Apr 30, 2013 4:09 PM EDT